diff options
| author |   Andi Kleen <ak@linux.intel.com> | 2013-10-23 10:57:58 +1030 |
|---|---|---|
| committer |   Rusty Russell <rusty@rustcorp.com.au> | 2013-10-29 09:43:37 +1030 |
| commit | e0f244c63fc9d192dfd399cc2677bbdca61994b1 (patch) | |
| tree | 0196f9eab616fdb4a6289050e7c96bd1c944a70e | |
| parent | kernel: add support for init_array constructors (diff) | |
| download | linux-dev-e0f244c63fc9d192dfd399cc2677bbdca61994b1.tar.xz linux-dev-e0f244c63fc9d192dfd399cc2677bbdca61994b1.zip | |
asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible
Make the ksymtab symbols for EXPORT_SYMBOL visible.
This prevents the LTO compiler from adding a .NUMBER prefix,
which avoids various problems in later export processing.
Cc: rusty@rustcorp.com.au
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | include/linux/export.h | 4 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index 412cd509effe..3f2793d51899 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -43,7 +43,7 @@ extern struct module __this_module; /* Mark the CRC weak since genksyms apparently decides not to * generate a checksums for some symbols */ #define __CRC_SYMBOL(sym, sec) \ - extern void *__crc_##sym __attribute__((weak)); \ + extern __visible void *__crc_##sym __attribute__((weak)); \ static const unsigned long __kcrctab_##sym \ __used \ __attribute__((section("___kcrctab" sec "+" #sym), unused)) \ @@ -59,7 +59,7 @@ extern struct module __this_module; static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"), aligned(1))) \ = VMLINUX_SYMBOL_STR(sym); \ - static const struct kernel_symbol __ksymtab_##sym \ + __visible const struct kernel_symbol __ksymtab_##sym \ __used \ __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ = { (unsigned long)&sym, __kstrtab_##sym } diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 393706b37774..9b873ac6ed7b 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1861,7 +1861,7 @@ static void add_header(struct buffer *b, struct module *mod) buf_printf(b, "\n"); buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n"); buf_printf(b, "\n"); - buf_printf(b, "struct module __this_module\n"); + buf_printf(b, "__visible struct module __this_module\n"); buf_printf(b, "__attribute__((section(\".gnu.linkonce.this_module\"))) = {\n"); buf_printf(b, "\t.name = KBUILD_MODNAME,\n"); if (mod->has_init) |